49. Allegro, J.M. 1970b. “The Sacred Mushroom and the Cross. A Study of the Nature and Origins of Christianity within the Fertility Cults of the Ancient Near East”. Doubleday & Combany, Inc., Garden City, New York.

51. Allegro, J.M. 1973. “The Sacred Mushroom and the Cross. A Study of the Nature and Origins of Christianity within the Fertility Cults of the Ancient Near East”. [1970]. (This edition has been slightly revised by the author. Notes and Appendices published in the original edition have been omitted and a new Preface provided). Abacus / Sphere Books Ltd.

52. Allegro, J.M. 2009. “The Sacred Mushroom and the Cross. A Study of the Nature and Origins of Christianity within the Fertility Cults of the Ancient Near East”. [1970]. Preface by J.R. Irvin. Foreword by J.A. Brown. Addendum –“Fungus Redivivus”- by C.A.P. Ruck. 40th Anniversary Edition. Gnostic Media Research & Publishing.

123. Bäckman, L. 1982. “Female – Divine and Human: A Study of the Position of the Woman in Religión and Society in Northern Eurasia”. En: Hultkrantz, A.; Vorren, O. (Comp.) 1982. “The Hunters their Culture and Way of Life”. pp. 143-162. Universitetsforlaget. Tromso-Oslo-Bergen.

195. Bleeck, A.H. 1864. “Avesta: The Religious Book of the Parsees”. From Professor Spiegel´s german translation of the original manuscripts. (3 Vols.) This replica edition is an unabridged facsimile of the edition published in 1864 by Muncherjee Hormusjee Cama, Hertford. Elibron Classics, U.S.A., 2005.

198. Blewett, D.B.; Chwelos, N. 1959. “Handbook for the Therapeutic Use of Lysergic Acid Diethylamide-25 Individual and Group Procedures”. [In the 1950s and 1960s, mimeograph copies of the following handbook were shared among pioneering therapists exploring the therapeutic utility of LSD. To this day, it remains one of the most relevant documented explorations of the guided psychedelic session].

209. Boas, F.; Powell, J.W. 1966. “Introduction to Handbook of American Indian Languages / Indian Linguistic Families of America North of Mexico”. Preface by P. Holder. University of Nebraska Press, Lincoln and London, 1991.

235. Brinton, D.G. 1894. “Nagualism. A Study in Native American Folk-Lore and History”. (Read before the American Philosophical Society, January 5, 1894). Reprinted February 23, 1894, from “Proceedings of the American Philosophical Society”, Vol. 33, pp. 1-65.

404. Coulter, J.M. 1894. “Preliminary Revision of the North American Species of Cactus, Anahalonium and Lophophora”. En: “Contributions from the U.S. National Herbarium”, Vol. 3, pp. 91-132. U.S. Department of Agriculture. Division of Botany.

505. Doblin, R.E. 2000. “Regulation of the Medical Use of Psychedelics and Marijuana”. A thesis presented by R.E. Doblin to The Committee on Higher Degrees in Public Policy in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the subject of Public Policy. Harvard University, Cambridge, Massachussetts.

527. Durán, Fr. D. 1581. “The History of the Indies of New Spain”. Translated, annotaded, and with an introduction by D. Heyden. [Original title: “Historia de la Indias de la Nueva España e Islas de Tierra Firme”]. University of Oklahoma Press, 1994.

714. Furst, P.T. 1995a. “Kiéri and the Solanaceae: Nature and Culture in Huichol Myth and Ritual”. (This is an updated version of the article, “Kiéri and the Solanaceae: Nature and Culture in Huichol Mythology”, 1995b). En: Furst, P.T. 2006d. “Rock Crystals and Peyote Dreams. Explorations in the Huichol Universe”. pp. 106-120. The University of Utah Press, Salt Lake City.

715. Furst, P.T. 1995b. “Kiéri and the Solanaceae: Nature and Culture in Huichol Mythology”. A different, earlier version of this paper appeared in the “Journal of Latin American Lore”. Vol. 15, N°2, pp. 155-177, 1989. En: “Acta Americana”. Vol. 3, N°2, pp. 43-57.

718. Furst, P.T. 1996b. “Who are the Huichols, Anyway?” ”. (This is an updated version of the article “Myth as History, History as Myth: A New Look at Some Old Problems in Huichol Origins”, 1996a). En: Furst, P.T. 2006d. “Rock Crystals and Peyote Dreams. Explorations in the Huichol Universe”. pp. 137-176. The University of Utah Press, Salt Lake City.

719. Furst, P.T. 2003. “Visions of a Huichol Shaman”. University of Pennsylvania Museum of Archeology and Anthropology, Philadelphia.

723. Furst, P.T. 2006b. “How the World Was Destroyed by Water and Dog Woman Gave Birth to a New Human Race”. En: Furst, P.T. 2006. “Rock Crystals and Peyote Dreams. Explorations in the Huichol Universe”. pp. 219-239. The University of Utah Press, Salt Lake City.

849. Grinspoon, L.; Bakalar, J.B. 1985. “Can Drugs Be Used ot Enhance Psychotherapeutic Process?” This paper was presented (under the title “Therapeutic Uses of Psychedelic Drugs-Old and New”) at the Twenty Sixth Emil A. Gutheil Memorial Conference of the Assosciation for the Advancement of Psychotherapy, New York City, November 2, 1985. This article was published at the “American Journal of Psychotherapy”. Vol. XL, N°3, July 1986.

852. Grob, C.S. 1994b. “Psychiatric Research with Hallucinogens: What Have We Learned?” A slightly abbreviated version of this article first appeared in the “Yearbook for Ethnomedicine and the Study of Conciousness”, Vol 3, pp. 91-112. En: “The Heffter Review of Psychedelic Research”. Vol. 1, pp. 8-20, 1998.

876. Grof, S. 1994a. “Alternative Cosmologies and Altered States”. From a talk given at the Institute of Noetic Sciences conference “The Sacred Source: Life, Death, and the Survival of Conciousness”, Chicago, Illinois, July 15-17, 1994. The original of this article appeared in “Noetic Sciences Review”. pp. 21-29, (Winter), 1994.

877. Grof, S. 1994b. “Books of the Dead: Manuals for Living and Dying”. Thames and Hudson, New York.

935. Harner, M.J. 1965. “Common Themes in South American Indian Yagé Experiences”. A preliminary version of this paper was presented in a earlier form at the annual meeting of the American Anthropological Association in Denver in 1965. En: Harner, M.J. (Comp.) 1973. “Hallucinogens and Shamanism”. pp. 155-176. Oxford University Press, London.

938. Harner, M.J. 1968c. “The Role of Hallucinogenic Plants in European Witchcraft”. A preliminary version of this paper was read at the “Hallucinogens & Shamanism Symposium” at the annual meeting of the American Anthropological Association in Seattle in 1968. En: Harner, M.J. (Comp.) 1973. “Hallucinogens and Shamanism”. pp. 125-151. Oxford University Press, London.

1093. Irvin, J.; Rutajit, A. 2005. “Astrotheology and Shamanism: Unveiling the Law of Duality in Christianity and Other Religions”. Special Note by J.A. Brown. Foreword by J. Maxwell. Illustrations by N. Zervos. Appendix B by J. Lynn. Appendix C by T.K. Mckenna. The Book Tree, San Diego, California, 2006.

1122. Jesse, R. 1997. “Testimony of the Council on Spiritual Practices”. En: Forte, R. (Comp.) 1997a. “Entheogens and the Future of Religion”. pp. 7-17. Council on Spiritual Practices, San Francisco, 2000.

1235. Krippner, S. 2004a. “Hypnotic-Like Procedures Used by Indigenous Healing Practitioners”. Paper presented at the annual convention of the American Society of Clinical Hypnosis, Anaheim, CA, March 12-16, 2004.

1236. Krippner, S. 2004b. “Trance and the Trickster: Hypnosis as a Liminal Phenomenon”. This address accompanied the 2002 Award for Contributions to Professional Hypnosis given by Division 30 of the American Psychological Association, the Society for Psychological Hypnosis, and was presented at the association’s annual convention, Honolulu, Hawaii, July, 2004.

1238. Krippner, S. 2006a. “Consciousness and Mythologies of Society”. This paper was prepared for presentation at “LSD: Problem Child and Wonder Drug, An International Symposium on the Occasion of the 100th Birthday of Albert Hofmann”, 13-15 January, Basel, Switzerland.

1239. Krippner, S. 2006b. “LSD and Parapsychological Experiences”. This paper was prepared for presentation at “LSD: Problem Child and Wonder Drug, An International Symposium on the Occasion of the 100th Birthday of Albert Hofmann”, 13-15 January, Basel, Switzerland.

1240. Krippner, S. 2006c. “The Future of Religion”. This paper was prepared for presentation at “LSD: Problem Child and Wonder Drug, An International Symposium on the Occasion of the 100th Birthday of Albert Hofmann”, 13-15 January, Basel, Switzerland.

1382. Leuner, H.; Schlichting, M. 1989. “A Report on the Symposium On the Current State of Research in the Area of Psychoactive Substances”. En: Rätsch, C. (Comp.) 1989a. “Gateway to Inner Space. Sacred Plants, Mysticism and Psychotherapy”. pp. 213-240. Prism / Unity.

1446. Lumholtz, C. 1987. “Unknown Mexico: Explorations in the Sierra Madre and Other Regions 1890-1898”. [1902]. (Original title: “Unknown Mexico: A Record of Five Years Exploration Among the Tribes of the Western Sierra Madre; in the Tierra Caliente of Tepic and Jalisco; and Among the Tarascos of Michoacan”). (2 Vols.) Dover Publications Inc., New York, 1987.

1447. Luna, L.E. 1981. “Magical Illness and Its Treatment Among Mestizo Ayahuasca Practitioners of the Peruvian Amazonas”. Swedish School of Economics. Helsinki, Finland.

1448. Luna, L.E. 1983. “The Concept of Plants as Teachers among Four Mestizo Shamans of Iquitos, Northeast Peru”. Symposium on Shamanism of Phase 2 of the XIth International Congress of Anthropological and Ethnological Sciences, Vancouver – 20-23, August 1983.

1449. Luna, L.E. 1984a. “The Healing Practices of a Peruvian Shaman”. An earlier version of this paper was presented at the VIth International Congress Ethnomedizin. Erlangen, 30th September-2nd October 1982. En: “Journal of Ethnpharmacology”. Vol. 11, N°2, pp. 123-133.

1566. McKenna, T.K. 1983. “Tryptamine Hallucinogens and Conciousness”. A talk given at the Lilly / Goswami Conference on Conciousness and Quantum Physics at Esalen, December 1983. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 34-49. Harper Collins Publishers, United States of America.

1567. Mckenna, T.K. 1984a. “New Maps of Hyperspace”. A talk given at the invitation of Ruth and Arthur Young of the Berkeley Institute for the Study of Conciousness. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 90-102. Harper Collins Publishers, United States of America.

1568. McKenna, T.K. 1984b. “Remarks to ARUPA, 1984”. This talk was given at Esalen Institute in Big Sur California in the fall of 1984 at a gathering of the Association for the Responsible Use of Psychedelics, an informal group of psychologists, chemists, and therapists who regularly met at Esalen from 1983 to 1986 under the sponsorship of the late and much beloved R. Price. En: McKenna, T. 1991. “The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History”. pp. 50-57. Harper Collins Publishers, United States of America.

1570. McKenna, T.K. 1987a. “Alien Love”. More about UFOs, this from a talk at Shared Visions in Berkeley. An edited and revised transcript was later printed in “Magical Blend”, N°17, 1987. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 72-88. Harper Collins Publishers, United States of America.

1571. McKenna, T.K. 1987b. “Temporal Resonance”. Appeared in “Revision”, Vol. 10, N°1, summer 1987. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 104-113. Harper Collins Publishers, United States of America.

1572. McKenna, T.K. 1988a. “In Praise of Psychedelics”. This interview, done by J. Levin, appeared in “L.A. Weekly”, May 20-26, 1988. En: McKenna, T. 1991. “The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History”. pp. 6-25. Harper Collins Publishers, United States of America.

1573. McKenna, T.K. 1988b. “Mushrooms and Evolution”. This article appeared in “Revision”. Vol. 10, N°4, spring. En: McKenna, T. 1991. “The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History”. pp. 142-153. Harper Collins Publishers, United States of America.

1574. McKenna, T.K. 1988c. “The Voynich Manuscript”. Portions of this article appeared as a book review in “Gnosis”, N°7, spring 1988. En: McKenna, T. 1991. “The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History”. pp. 172-184. Harper Collins Publishers, United States of America.

1575. McKenna, T.K. 1989a. “A Conversation Over Saucers”. This interview appeared in the winter 1989 issue of “Revision”. W. Noffke conducted the interview. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 58-71. Harper Collins Publishers, United States of America.

1578. McKenna, T.K. 1989d. “Critique Interview”. This interview by D.J. Brown and R. McClen appeared in “Critique”, summer 1989. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 116-141. Harper Collins Publishers, United States of America.

1579. McKenna, T.K. 1989e. “Plan / Plant / Planet”. This essay appeared in the fall 1989 issue of “Whole Earth Review”. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 218-225. Harper Collins Publishers, United States of America.

1580. McKenna, T.K. 1990a. “Sacred Plants and Mystic Realities”. This interview with N. Drury appeared in the autumn 1990, Vol. 11, N°1, issue of the Australian magazine “Nature and Health”. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 238-250. Harper Collins Publishers, United States of America.

1581. McKenna, T.K. 1990b. “Virtual Reality and Electronic Highs (Or On Becoming Virtual Octopi)”. This piece appeared in “Magical Blend”, N°26, winter 1990. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 228-236. Harper Collins Publishers, United States of America.

1583. McKenna, T.K. 1990d. “Wasson´s Literary Precursor´s”. A shortened version of this essay first appeared in “The Sacred Mushroom Seeker. Tributes to R. Gordon Wasson” edited by T. Riedlinger. En: McKenna, T. 1991. The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History. pp. 186-201. Harper Collins Publishers, United States of America.

1584. McKenna, T.K. 1991. “The Archaic Revival: Speculations on Psychedelic Mushrooms, the Amazon, Virtual Reality, UFO´s, Evolution, Shamanism, the Rebirth of the Godess and the End of History”. Introduction by T. McKenna. Harper Collins Publishers, United States of America.

1585. McKenna, T.K. 1992. “Food of the Gods. The Search for the Original Tree of Knowledge. A Radical History of Plants, Drugs, and Human Evolution”. Bantam Books, United States of America, 1993.

1591. McGlothlin, W.H. 1965. “Hallucinogenic Drugs – A Perspective with Special Reference to Peyote and Cannabis”. A modified version of this paper was presented at “The Second Conference on the Use of LSD in Psychotherapy” in Amityville, Long Island, New York, May 8-10, 1965. En: “The Psychedelic Review”. pp. 16-57, N°6.

1669. Müller, F.M. (Ed.) 1880. “The Sacred Books of the East. Vol. 4. The Zend-Avesta. Part 1”. Translated by J. Darmesteter. This edition is a replica of the book published in 1880 by Oxford, Clarendon Press. Elibron Classics, U.S.A., 2005.

1670. Müller, F.M. (Ed.) 1883. “The Sacred Books of the East. Vol. 23. The Zend-Avesta. Part 2”. Translated by J. Darmesteter. This edition is a replica of the book published in 1883 by Oxford, Clarendon Press. Elibron Classics, U.S.A., 2005.

1671. Müller, F.M. (Ed.) 1887. “The Sacred Books of the East. Vol. 31. The Zend-Avesta. Part 3”. Translated by L.H. Mills. This edition is a replica of the book published in 1887 by Oxford, Clarendon Press. Elibron Classics, U.S.A., 2005.

1798. Pahnke, W.N. 1963. “Drugs and Mysticism. An Analysis of the Relationship between Psychedelic Drugs and the Mystical Conciousness”. A thesis presented by W.N. Pahnke to The Comitee on Higher Degrees in History and Philosophy of Religion in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the subject of Religion and Society. Harvard University, Cambridge, Massachusetts, June, 1963.

1842. Pérez de Ribas, A. 1644a. “My Life Among the Savages of the New Spain”. Translated in condensed form by T.A. Robertson. [Original title: “Triumphs of Our Saintly Faith among Peoples the Most Barbarous and Savage of the New Orb”]. The Ward Ritchie Press, Los Angeles, California, 1968.

1895. Radin, P. 1920. “Report of the Mescaline Experience of Crashing Thunder”. This article is taken from “Autobiography of a Winnebago Indian”, originally published by the University of California Publications in American Archaeology and Ethnology, Vol. 16, N°7. En: Aaronson B.S.; Osmond H. (Comp.) 1970. “Psychedelics: The Uses and Implications of Hallucinogenic Drugs”. pp. 86-89. Anchor / Doubleday Garden City, New York.

1896. Radin, P. 1925. “The Peyote Cult”. Bibliobazar, U.S.A., 2008.

1897. Radin, P. 1926. “Crashing Thunder. The Autobiography of an American Indian”. Foreword and Appendix by A. Krupat. The University of Michigan Press, 1999.

1925. Redman, J. 1799. “An Inquiry Into the Comparative Effects of the Opium officianorum”. Extracted from the “Papaver Somniferum or White Poppy of Linnaeus; and of that procured from the Lactuca Sativa, or commom cultivated Lettuce” of the same author. En: “Transactions of the American Philosophical Society of Philadelphia”. Vol. 4, pp. 387-414.

1934. Reichel-Dolmatoff, G. 1978b. “Drug-Induced Optical Sensations and Their Relatioship to Applied Art among Some Colombian Indians”. First published in “Art in Society”, published by G. Duckworth and Co. Ltd. En: Reichel-Dolmatoff, G. 1997a. “Rainforest Shamans. Essays on the Tukano Indians of the Northwest Amazon”. pp. 243-260. Themis Books, United Kingdom.

1941. Reichel-Dolmatoff, G. 1997b. “Astronomical Models of Social Behaviour among Some Indians of Colombia”. First published in “Ethnoastronomy and Achaeastronomy in the American Tropics”, Annals of the New York Academy of Sciences, Vol. 385, edited by A.F. Aveni and G. Urton. En: Reichel-Dolmatoff, G. 1997a. “Rainforest Shamans. Essays on the Tukano Indians of the Northwest Amazon”. pp. 261-276. Themis Books, United Kingdom.

1942. Reichel-Dolmatoff, G. 1997c. “Tapir Avoidance in the Colombian Northwest Amazon”. First published in “Animal Myths and Metaphors in South America” edited by G. Urton, University of Utah Press. En: Reichel-Dolmatoff, G. 1997a. “Rainforest Shamans. Essays on the Tukano Indians of the Northwest Amazon”. pp. 77-110. Themis Books, United Kingdom.

1975. Roberts, T.B. 1997. “Academic and Religious Freedom in the Study of the Mind”. En: Forte, R. (Comp.) 1997a. “Entheogens and the Future of Religion”. pp. 137-153. Council on Spiritual Practices, San Francisco, 2000.

2044. Safford, W.E. 1920. “Daturas of the Old World and New: An Account of their Narcotic Properties and Their Use in Oracular and Initiatory Ceremonies”. En: “Annual Report of the Smithsonian Institution”, pp. 537-567.
2045. Sagan, L. 1964. “Communications: An Open Letter to Mr. Joe K. Adams”. En: “The Psychedelic Review”. Vol. 1, N°3, pp. 354-356.

2097. Schultes, R.E. 1960. “Botanical Sources of the New World”. A composite of two lectures “Native Narcotics of the New World” delivered in the Third Lecture Series, 1960, College of Pharmacy, University of Texas, and published in the “Texas Journal of Pharmacy”, 2, (1961), 141-185. Slight changes from the original text have been made in several places, and additional information has been added to bring the treatment of the subject to date. En: The Psychedelic Review. pp. 145-166, Vol. I, N°2, 1963.

2121. Schultes, R.E. 1994a. “Antiquity of the Use of New World Hallucinogens”. En: “Integration”. Vol. 5, pp. 9-18.

2122. Schultes, R.E. 1994b. “Antiquity of the Use of New World Hallucinogens”. This article was adapted from an earlier publication that apeared in “Integration”, Vol. 5, in autumn 1994. En: “The Heffter Review of Psychedelic Research”. Vol. 1, pp. 1-7, 1998.

2291. Tart, C.T. 1964a. “Hypnotic Suggestion as a Technique for the Control of Dreaming”. Text of a paper presented in a symposium on “New Frontiers in Dream Research”, American Psychological Association Seventy-second Annual Convention, Los Angeles, September 5, 1964.

2311. Tart, C.T. 1978a. “Emergent Interactionist Understanding of Human Conciousness”. (1978, Brain / Mind and Parapsychology: Proceedings of an International Conference held in Montreal, Canada August 24-25, 1978 under the auspices of the Parapsychology Foundation, New York).

2480. Walsh, R.N.; Grob, C.S. (Ed.) 2005a. “Higher Wisdom: Eminent Elders Explore the Continuing Impact of Psychedelics”. Conclusion: “What Did These Elders Learn, and What Can We Learn, and What Can We Learn from Them?” pp. 241-258. State University of New York Press.

2507. Wasson, R.G. 1960c. “The Hallucinogenic Fungi of Mexico: An Inquiry into the Origins of the Religious Idea among Primitive Peoples”. This paper was first given as the Annual Lecture of the Mycological Society of America, Stillwater, Oklahoma, 1960. It is reprinted here, with the author´s permission, from the “Botanical Museum Leaflets”, Harvard University, 1961, Vol. 19, N°7. En: “The Psychedelic Review”. Vol. 1, N°3, pp. 27-42, 1964.

2569. Weiss, G. 1972. “Shamanism and Priesthood in Light of the Campa Ayahuasca Ceremony”. An earlier version of this paper was read in the “Hallucinogens & Shamanism” symposium at the annual meeting of the American Anthropological Association in Seattle, 1968. En: Harner, M.J. (Comp.) 1972. “Hallucinogens and Shamanism”. pp. 40-49. Oxford University Press, London.